Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Romulus, MI

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
734-685 6   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2015-04-19   
734-685 7   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2015-04-19   
734-685 8   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2015-04-19   
734-685 9   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2015-04-19   
734-784 A SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
734-784 0   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-08-08   
734-784 1   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-08-08   
734-784 2   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
734-784 3   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   
734-784 4   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-08-08   
734-784 5   829J PAETEC ITEL, LLC 340   2009-10-27   
734-784 6   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   
734-784 7   508J CENTURYLINK COMMUNICATIONS, LLC 340   2013-02-25   
734-784 8   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   
734-840 A BRHMMIBDBMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
734-840 0   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-08-08   
734-840 1   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   
734-840 2   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   
734-840 3   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   
734-840 4   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-08-08   
734-840 5   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   
734-840 6   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   
734-840 7   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   
734-840 8   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   
734-840 9   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
734-857 A SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
734-857 0   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-08-08   
734-857 1   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
734-857 2   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
734-857 3   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-08-08   
734-857 4   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-08-08   
734-857 5   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
734-857 6   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-08-08   
734-857 7   543C ONVOY, LLCV - MI 340   2013-01-30   
734-857 8   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   
734-857 9   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-08-08   
734-893 A DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340      
734-893 1   318J COMCAST IP PHONE, LLC 340      
734-893 2   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   
734-893 3   991E BANDWIDTH.COM CLEC, LLC - MI 340      
734-893 4   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   
734-893 5   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   
734-893 6   991E BANDWIDTH.COM CLEC, LLC - MI 340      
734-893 7   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   
734-893 8   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   
734-921 A RMLSMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
734-921 0   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2015-10-26   
734-921 1   543C ONVOY, LLCV - MI 340   2016-03-21   
734-921 2   543C ONVOY, LLCV - MI 340   2016-03-21   
734-921 3   318J COMCAST IP PHONE, LLC 340   2015-10-25   
734-921 4   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2016-04-11   
734-921 5   9323 MICHIGAN BELL TEL CO 340   2015-10-08   
734-921 6   9323 MICHIGAN BELL TEL CO 340   2015-10-08   
734-921 7   9323 MICHIGAN BELL TEL CO 340   2015-10-08   
734-921 8   9323 MICHIGAN BELL TEL CO 340   2015-10-08   
734-921 9   9323 MICHIGAN BELL TEL CO 340   2015-10-08   
734-939 A SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
734-939 0   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
734-939 1   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
734-939 2   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
734-939 3   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
734-939 4   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
734-939 5   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
734-939 6   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
734-939 9   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
734-941 A RMLSMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
734-942 A RMLSMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
734-946 A TAYLMIWKDS0  9323 MICHIGAN BELL TEL CO 340      
734-947 A TAYLMIWKDS0  9323 MICHIGAN BELL TEL CO 340      
734-947 0   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2016-04-11   
734-947 1   9323 MICHIGAN BELL TEL CO 340      
734-947 2   9323 MICHIGAN BELL TEL CO 340      
734-947 3   9323 MICHIGAN BELL TEL CO 340      
734-947 4   9323 MICHIGAN BELL TEL CO 340      
734-947 5   9323 MICHIGAN BELL TEL CO 340      
734-947 6   9323 MICHIGAN BELL TEL CO 340      
734-947 7   9323 MICHIGAN BELL TEL CO 340      
734-947 9   9323 MICHIGAN BELL TEL CO 340      
734-955 A RMLSMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
734-955 0   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2016-04-11   
734-955 1   9323 MICHIGAN BELL TEL CO 340      
734-955 2   9323 MICHIGAN BELL TEL CO 340      
734-955 3   9323 MICHIGAN BELL TEL CO 340      
734-955 4   9323 MICHIGAN BELL TEL CO 340      
734-955 5   9323 MICHIGAN BELL TEL CO 340      
734-955 6   9323 MICHIGAN BELL TEL CO 340      
734-955 7   9323 MICHIGAN BELL TEL CO 340      
734-955 8   9323 MICHIGAN BELL TEL CO 340      
734-955 9   9323 MICHIGAN BELL TEL CO 340      
734-992 A WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
734-992 0   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2014-05-01   
734-992 1   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   
734-992 2   318J COMCAST IP PHONE, LLC 340      
734-992 3   318J COMCAST IP PHONE, LLC 340   2006-05-18   
734-992 4   318J COMCAST IP PHONE, LLC 340   2006-05-18   
734-992 5   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2008-05-19   
734-992 6   318J COMCAST IP PHONE, LLC 340   2014-07-03   
734-992 7   991E BANDWIDTH.COM CLEC, LLC - MI 340   2013-09-20   
734-992 8   318J COMCAST IP PHONE, LLC 340   2007-04-12   
734-992 9   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2013-04-08   

<< 1 2

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.